Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Female kangaroos have three vaginas.
2
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Early American humans hunted car-size armadillos and used their shells for houses.
12